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Radiant|Lab Grown|IGI

5.28ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG787623453

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG787623453

Diamond specifications and retailer prices

From $14,012 SGD
$10,929 USD
As of October 29, 2026
Save $34,385 SGD (71%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $48,397 SGD at Taylor and Hart · As of October 28, 2026
View at Taylor and Hart

About this 5.28ct lab-grown radiant diamond

This 5.28ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG787623453 or 787623453. Listed at 11 retailers as of October 28, 2026, with prices from $14,012 to $48,397, a $34,385 spread on the same certified stone. Taylor and Hart lists it at $48,397. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.28
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.3°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787623453
Dimensions12.11 × 8.73 × 5.84 mm
L/W Ratio1.39
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
12.11 mm8.73 mm5.28 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787623453
Side View
Table 62.0%Crown 42.3°Girdle: Slightly ThickPavilion 35.1°Culet: NoneDepth 66.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $25,445 SGD|Low: $14,012 SGD|High: $87,976 SGD|Avg: $30,821 SGD|-13.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
October 29, 2026
Retailer 7$14,012 SGD
Retailer 9$15,390 SGD
Retailer 10$15,686 SGD
Retailer 6$16,135 SGD
Retailer 4$19,071 SGD
Retailer 3$24,026 SGD
Retailer 1$25,445 SGD
Retailer 5$27,106 SGD
Retailer 2$37,373 SGD
Retailer 8$44,679 SGD
Taylor and Hart$48,397 SGD
Retailer 11$87,976 SGD

31 data points across 12 retailers

11 retailers$14,012 SGD to $48,397 SGD

A
Cheapest Retailer
-
$14,012 SGD
$10,929 USD
A
Retailer 2
-
$15,390 SGD
$12,004 USD
View
A
Retailer 3
-
$15,686 SGD
$12,235 USD
View
A
Retailer 4
-
$16,135 SGD
$12,585 USD
View
A
Retailer 5
-
$19,071 SGD
£11,712 GBP
View
B+
Retailer 6
-
$25,445 SGD
£15,627 GBP
View
B+
Retailer 7
-
$27,106 SGD
€20,135 EUR
View
B+
Retailer 8
-
$37,373 SGD
$29,150 USD
View
B
Retailer 9
-
$44,679 SGD
$34,848 USD
View
Most Expensive
B
Taylor and Hart
OLY1CTE · Oct 28
$48,397 SGD
$37,748 USD
View
9 more retailers have this diamond
Prices start from $14,012 SGDSave up to $34,385 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
5.28ct Radiant
$14,012 SGD